JavaScript method charCodeAt()

This section illustrates you the use of JavaScript method charCodeAt().

JavaScript method charCodeAt()

This section illustrates you the use of JavaScript method charCodeAt(). The
charCodeAt() method returns the Unicode of the character at a specified
position.

Its syntax is:

string.charCodeAt(index);

An Index should begreater than 0 and less than the length of
the string. If you will not specified any index value, it will takes the default
value 0.Unicode code points range from 0 to 1,114,111. The charCodeAt()
will always return a value that is less than 65,536.

Here is the code:

<html>
<script>
function charcterCode(){
var st=new String("Welcome to this page");
document.write("The Unicode of the character at position 1 is: "+st.charCodeAt(1));
document.write("<br>");
document.write("The Unicode of the character at position 2 is: "+st.charCodeAt(2));
}
</script>
<h2>Use of method charCodeAt()</h2>
<button onclick="charcterCode();">Character Code</button>
</body>
</html>

Output will be displayed as:

On clicking the button you will get the Unicode of the required character: